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Glean is seeking a Field CSO to serve as Glean’s executive, customer‑facing security leader for prospects and customers. You will build trust with CISOs, CIOs, Chief Risk/Privacy Officers, and security architects by translating Glean’s security and AI governance model into their business, regulatory, and technical context. You’ll advise on secure deployments, accelerate security reviews (DPIAs/PIAs, vendor assessments), help remove risk blockers in complex deals, and become the voice of the field back to Product, Security, Legal, and GTM. This role is not our corporate CISO. It is an external‑facing, executive advisor role aimed at helping customers successfully operationalize Glean securely and at scale.
Job Responsibility:
Act as the primary executive security advisor for named strategic accounts, partnering with Sales, SE, and CS to shape security strategy, deployment patterns, and program design for Glean’s Work AI platform
Lead and expedite security due diligence: DPIAs/PIAs, vendor risk assessments, data flow documentation, LLM‑related risk mitigations, and control mapping to frameworks (e.g., SOC 2, ISO 27001, HIPAA, GDPR, FedRAMP‑adjacent asks, TX‑RAMP)
Build compelling risk narratives and decision memos for C‑suite and Boards that connect security, privacy, and compliance outcomes to measurable business value and adoption
Serve as an executive “title match” in late‑stage cycles
join roadmap and architecture reviews to clear risk blockers and accelerate time‑to‑value
Publish and present Glean’s AI security and governance point of view (talks, webinars, whitepapers, playbooks), with pragmatic guidance on topics like single‑tenant SaaS, customer‑hosted deployments, data residency, encryption and key management, permissions mirroring, and agent guardrails
Develop reusable artifacts for the field: RFP/RFI security templates, reference architectures, policy/control mappings, DPIA/PIA kits, incident communications templates, SIEM export and audit logging guides
Partner with Glean Product, Security/Privacy, and Legal on “voice of customer” for features and policies (e.g., residency, SIEM/audit integrations, data lifecycle, model controls, red‑teaming, prompt‑injection defenses, allow/deny model policies)
Co‑design adoption and governance programs with customer security, IT, data, and privacy teams, including role‑based access, retention, redaction, secrets and PII controls, and ongoing audit practices
Advise on AI governance operating models: risk tiering for use cases, human‑in‑the‑loop controls, evaluation gates, and production guardrails for agents and workflows
Establish success metrics tied to security and business value (e.g., security review cycle time, audit coverage, sensitive data exposure reduction, adoption growth in high‑risk teams)
Partner tightly with Sales Engineering, Customer Success, and Support to create repeatable guidance for regulated and complex environments
Inform roadmap priorities with field‑validated requirements for security posture (e.g., model hub control, connector scopes, data egress minimization, RBAC/ABAC, audit exports).
Requirements:
10+ years in information security with executive‑level customer engagement
former CISO/CSO, Deputy CISO, Security Architect/Strategist, or advisory CISO experience strongly preferred
Deep command of enterprise security and cloud/SaaS controls: identity/SSO, least‑privilege, encryption at rest/in transit, key management, audit logging/SIEM, data residency/sovereignty, and third‑party risk
Hands‑on familiarity with major frameworks and regulatory needs: SOC 2 Type II, ISO 27001, GDPR/DPAs, HIPAA, and public sector expectations (e.g., TX‑RAMP
familiarity with FedRAMP requirements helpful)
Demonstrated experience guiding customers through DPIAs/PIAs, vendor assessments, and contractual security annexes
ability to compress complex risk into clear executive decisions
Practical understanding of AI/LLM security risks and mitigations: retrieval‑augmented generation (RAG) security, prompt injection defenses, jailbreak resistance, model access policies, and agent guardrails aligned to source permissions
Exceptional communication and storytelling skills with C‑suite and boards
proven impact in late‑stage deals and customer expansions
Credible thought leadership (talks, blogs, standards bodies, community contributions) and strong industry network among CISOs and security architects
Experience with single‑tenant SaaS and customer‑hosted deployment models
background working with GCP/AWS controls, privacy impact assessments, and regional hosting
Familiarity with data security posture management, sensitive data detection and remediation programs, and audit/reporting patterns for enterprise security teams
Relevant certifications (e.g., CISSP, CISM, CCSP, ISO 27001 Lead Implementer, CRISC). Equivalent experience will be considered.